The diet of patients with dry syndrome should favor sweet-cold nourishment, and eat more foods that nourish Yin and clear heat and produce body fluid, such as edamame, loofah, celery, red stalk cabbage, yellow cauliflower, wolfberry head, celery, tamari, snapper, silver fungus, wheat, duck and goose meat and other cool foods. Fruits such as watermelon, sweet orange, fresh pear, fresh lotus root, water chestnut, rhizome, etc., can also be sweet and cold to produce fluid. Citrus, litchi, longan and other warm fresh fruit is not suitable. Avoid spicy, fragrant, dry, warm products, such as wine, tea, coffee, all kinds of fried food, mutton, dog meat, eel, venison, and ginger, onion, garlic, chili, onion, pepper, pepper, fennel, cinnamon, etc. No smoking.